<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">                        <el-form-item label="专业代码" prop="mcode" class="el-form-search-item">
      <el-input
        v-model="queryParams.mcode"
        placeholder="请输入专业代码"
        clearable
        size="mini"
        @keyup.enter.native="handleQuery"
      />
    </el-form-item>
      <el-form-item label="专业名称" prop="mname" class="el-form-search-item">
        <el-input
          v-model="queryParams.mname"
          placeholder="请输入专业名称"
          clearable
          size="mini"
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="本专科" prop="programLevel" class="el-form-search-item">
        <el-select v-model="queryParams.programLevel" placeholder="请选择本专科" clearable size="mini">
          <el-option
            v-for="dict in dict.type.program_level"
            :key="dict.value"
            :label="dict.label"
            :value="dict.value"
          />
        </el-select>
      </el-form-item>
      
      <el-form-item class="el-form-search-item">
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>
    <el-row :gutter="10" class="mb5">
      <el-col :span="1.5">
        <el-button
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['majors:majors:add']"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          plain
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['majors:majors:edit']"
        >修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['majors:majors:remove']"
        >删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          plain
          icon="el-icon-download"
          size="mini"
          @click="handleExport"
          v-hasPermi="['majors:majors:export']"
        >导出</el-button>
      </el-col>

      <el-col :span="1.5">
        <el-button
          type="info"
          icon="el-icon-upload2"
          size="mini"
          @click="handleImport"
          v-hasPermi="['majors:majors:importData']"
        >导入</el-button>
      </el-col>

<!--      <el-upload-->
<!--        class="upload-demo"-->
<!--        action="/web-api/majors/majors/importData"-->
<!--        :on-success="handleSuccess"-->
<!--        :on-error="handleError"-->
<!--        :before-upload="beforeUpload"-->
<!--        accept=".xlsx"-->
<!--      >-->
<!--        <el-button size="small" type="primary">点击上传</el-button>-->
<!--      </el-upload>-->


    </el-row>

    <el-table :height="tableHeight" v-loading="loading" :data="majorsList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
<!--        <el-table-column label="#" type="index" width="50" align="center">-->
<!--            <template scope="scope">-->
<!--          <span>{{-->
<!--            (queryParams.pageNum - 1) * queryParams.pageSize + scope.$index + 1-->
<!--          }}</span>-->
<!--            </template>-->
<!--        </el-table-column>-->
<!--      <el-table-column label="专业id" align="center" prop="mId" />-->
      <el-table-column label="专业代码" align="center" prop="mcode" />
      <el-table-column label="专业名称" align="center" prop="mname" />
      <el-table-column label="专业类" align="center" prop="mtype" />
      <el-table-column label="本专科" align="center" prop="programLevel">
        <template slot-scope="scope">
          <dict-tag :options="dict.type.program_level" :value="scope.row.programLevel"/>
        </template>
      </el-table-column>
      
      <el-table-column label="专业介绍" align="center" prop="mdescription" show-tooltip-when-overflow />
      <el-table-column label="相近专业" align="center" prop="mrelateds" show-tooltip-when-overflow/>
      <el-table-column label="考研方向" align="center" prop="careerProspects" show-tooltip-when-overflow />
      <el-table-column label="就业方向" align="center" prop="edirection" show-tooltip-when-overflow/>
      <el-table-column label="科目" align="center" prop="kemu" />
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width" width="150">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['majors:majors:edit']"
          >修改</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['majors:majors:remove']"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 用户导入对话框 -->
    <el-dialog :title="upload.title" :visible.sync="upload.open" width="400px">
      <el-upload
        ref="upload"
        :limit="1"
        accept=".xlsx, .xls"
        :headers="upload.headers"
        :action="upload.url + '?updateSupport=' + upload.updateSupport"
        :disabled="upload.isUploading"
        :on-progress="handleFileUploadProgress"
        :on-success="handleFileSuccess"
        :auto-upload="false"
        drag
      >
        <i class="el-icon-upload"></i>
        <div class="el-upload__text">
          将文件拖到此处，或
          <em>点击上传</em>
        </div>
        <div class="el-upload__tip" slot="tip">
          <el-checkbox v-model="upload.updateSupport" />是否更新已经存在的用户数据
          <el-link type="info" style="font-size:12px" @click="importTemplate">下载模板</el-link>
        </div>
        <div class="el-upload__tip" style="color:red" slot="tip">提示：仅允许导入“xls”或“xlsx”格式文件！(请按照下载模板导入相应数据)</div>
      </el-upload>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitFileForm">确 定</el-button>
        <el-button @click="upload.open = false">取 消</el-button>
      </div>
    </el-dialog>


    <!-- 添加或修改专业管理对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="800px" append-to-body :close-on-click-modal="false" v-dialogDrag>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="专业代码" prop="mcode">
          <el-input v-model="form.mcode" placeholder="请输入专业代码" />
        </el-form-item>
        <el-form-item label="专业名称" prop="mname">
          <el-input v-model="form.mname" placeholder="请输入专业名称" />
        </el-form-item>
        <el-form-item label="专业类" prop="">
          <el-input v-model="form.mtype" placeholder="请输入专业类" />
        </el-form-item>
        <el-form-item label="本专科" prop="programLevel">
          <el-select v-model="form.programLevel" placeholder="请选择本专科" style="width: 100%">
            <el-option
              v-for="dict in dict.type.program_level"
              :key="dict.value"
              :label="dict.label"
              :value="dict.value">
            </el-option>
          </el-select>
        </el-form-item>
        
        <el-form-item label="专业介绍" prop="mdescription">
          <el-input v-model="form.mdescription" type="textarea" placeholder="请输入内容" />
        </el-form-item>
        <el-form-item label="相近专业" prop="mrelateds">
          <el-input v-model="form.mrelateds" type="textarea" placeholder="请输入内容" />
        </el-form-item>
        <el-form-item label="考研方向" prop="careerProspects">
          <el-input v-model="form.careerProspects" type="textarea" placeholder="请输入内容" />
        </el-form-item>
        <el-form-item label="就业方向" prop="edirection">
          <el-input v-model="form.edirection" type="textarea" placeholder="请输入内容" />
        </el-form-item>
		<!--
        <el-form-item label="科目" prop="kemu">
          <el-select v-model="form.kemu" placeholder="请选择科目" style="width: 100%" multiple>
              <el-option v-for="dict in dict.type.sm_subject" :key="dict.value" :label="dict.label"
                  :value="dict.value" />
          </el-select>
        </el-form-item>
		-->
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { listMajors, getMajors, delMajors, addMajors, updateMajors } from "@/api/majors/majorsZk";
import { getToken } from "@/utils/auth";
import * as XLSX from 'xlsx';


export default {
  name: "MajorsZk",
  dicts: ['program_level','sm_subject'],
  data() {
    return {
      unmappedExcelData: [],
      mappedExcelData: [],
      // 表格高度
      tableHeight: document.documentElement.clientHeight - 180,
      // 遮罩层
      loading: false,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 专业管理表格数据
      majorsList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 20,
        orderByColumn: "m_code",
        isAsc: "asc",
        mcode: null,
        mname: null,
        programLevel: null,
        mdegree: null,
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        mcode: [
          { required: true, message: "专业代码不能为空", trigger: "blur" }
        ],
        mname: [
          { required: true, message: "专业名称不能为空", trigger: "blur" }
        ],
        programLevel: [
          { required: true, message: "本专科不能为空", trigger: "change" }
        ],
      },
      // 用户导入参数
      upload: {
        // 是否显示弹出层（用户导入）
        open: false,
        // 弹出层标题（用户导入）
        title: "",
        // 是否禁用上传
        isUploading: false,
        // 是否更新已经存在的用户数据
        updateSupport: 0,
        // 设置上传的请求头部
        headers: { Authorization: "Bearer " + getToken() },
        // 上传的地址
        url: process.env.VUE_APP_BASE_API + "/majors/majorsZk/importData"
      },

    };
  },
  created() {
    this.getList();
  },
  methods: {
    /** 查询专业管理列表 */
    getList() {
      this.loading = true;
      listMajors(this.queryParams).then(response => {
        this.majorsList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        mId: null,
        mcode: null,
        mname: null,
        mtype: null,
        programLevel: null,
        mdescription: null,
        mrelateds: null,
        careerProspects: null,
        edirection: null,
        createBy: null,
        createTime: null,
        updateBy: null,
        updateTime: null,
        kemu:null
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.mId)
      this.single = selection.length !== 1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加专业管理";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const mId = row.mId || this.ids
      getMajors(mId).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改专业管理";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.mId != null) {
            updateMajors(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addMajors(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },

    handleExport() {
      this.download('majors/majorsZk/export', {
        ...this.queryParams

      }, `majors_${new Date().getTime()}.xlsx`)
    },

    /** 导入按钮操作 */
    handleImport() {
      this.upload.title = "专业导入";
      this.upload.open = true;
    },
    /** 下载模板操作 */
    importTemplate() {
      this.download(
        "/majors/majorsZk/importTemplate",
        {},
        `material_template_${new Date().getTime()}.xlsx`
      );
    },


// 文件上传中处理
    handleFileUploadProgress(event, file, fileList) {
      this.upload.isUploading = true;
    },
// 文件上传成功处理
    handleFileSuccess(response, file, fileList) {
      this.upload.open = false;
      this.upload.isUploading = false;
      this.$refs.upload.clearFiles();
      this.$alert(response.msg, "导入结果", { dangerouslyUseHTMLString: true });
      this.getList();
    },
// 提交上传文件
    submitFileForm() {
      this.$refs.upload.submit();
    },



    // //另外
    // handleSuccess(response, file, fileList) {
    //   if (response.code === 0) {
    //     this.$message({
    //       message: '文件上传成功',
    //       type: 'success',
    //     });
    //   } else {
    //     this.$message.error('文件上传失败: ' + response.msg);
    //   }
    // },
    // handleError(err, file, fileList) {
    //   this.$message.error(`上传失败: ${err}`);
    // },
    // beforeUpload(file) {
    //   const isExcel = file.type === 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet';
    //   if (isExcel) {
    //     return true;
    //   }
    //   this.$message.error('上传文件只能是xlsx格式!');
    //   return false;
    // },






    /** 删除按钮操作 */
    handleDelete(row) {
      const mIds = row.mId || this.ids;
      this.$modal.confirm('是否确认删除记录？').then(function() {
        return delMajors(mIds);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => {});
    },
  }

};
</script>
